77kc Privacy Policy — How We Protect Your Information

The operator of 77kc.best ("77kc", "we") sets out in this Privacy Policy how your information is collected, stored, and processed when you use our website and mobile app.

We believe digital privacy is a fundamental right. As a user in Bangladesh, you have the right to know where your phone number, email, and bank details go — who can see them and how long they are kept. This page aims to answer those questions directly, in plain language rather than complex legal jargon.

77kc only collects information that is strictly necessary to operate its services. Details are provided below:

There is a clear reason behind every piece of data we collect. 77kc does not request information without purpose.

• Account creation & management — a name, mobile number, and email are required to create an account.
• Processing financial transactions — payment information is required for bKash, Nagad, or bank transfers.
• Identity Verification (KYC) — to prevent fraud and comply with international anti-money laundering regulations.
• Customer Support — transaction history is needed to resolve any issues quickly.
• Security Monitoring — to detect unusual login activity or transactions and keep your account protected.
• Service improvement — understanding which features are used most to make the platform better.
• Legal obligations — certain data must be retained for a specified period to comply with regulatory requirements.

77kc uses your information only for the purposes stated on this page. Should any data be used for a different purpose, your consent will be obtained beforehand.

Your mobile number is used to send login OTPs, notify you of important transactions, and alert you if any suspicious activity is detected on your account. You will not receive promotional SMS to this number unless you explicitly opt in.

Your email is used for account confirmation, withdrawal notifications, KYC updates, and security alerts. Promotional emails require a separate opt-in — they are never sent automatically.

IP addresses and device information are used solely for security purposes — such as verifying logins from unrecognised devices and detecting whether a person holds multiple accounts.

77kc does not sell your data to third parties. However, limited information may be shared in specific circumstances.

• Payment Processor: Only the information necessary to complete a transaction is shared with bKash, Nagad, Rocket, or your bank. These institutions are bound by their own privacy policies.
• Identity Verification Authority: Authorised third parties may be engaged to assist with identity document verification during the KYC process. These organisations are contractually bound to maintain data confidentiality.
• Legal Obligations: We may be required to disclose information under a court order or a lawful request from a government authority. In such cases, only the minimum necessary data is provided.
• Technology Infrastructure: Cloud storage and server providers store data but have no access to its contents — everything is encrypted.

77kc uses cookies — but only to the extent necessary. Cookies are small files stored in your browser that help the platform recognise you.

• Essential Cookies: Used to maintain login sessions and for security verification. Disabling these cookies will prevent the platform from functioning properly.
• Functional cookies: Used to remember your language preference and theme settings.
• Analytics Cookies: Used to understand which pages you spend the most time on — this data is fully anonymized.

We do not use cross-site tracking cookies — meaning we do not follow you across other websites after you leave 77kc. You can block or delete cookies at any time through your browser settings.

77kc protects your information with multiple layers of security, covering both technical and operational safeguards.

• All connections use TLS 1.3 protocol with 256-bit AES encryption.
• Passwords are never stored in plain text — we use the bcrypt hashing algorithm.
• Sensitive data stored in our database (such as NID numbers and bank details) is encrypted.
• Advanced firewall and Intrusion Detection System (IDS) active around the clock.
• External security audits are conducted every three months.
• Staff are only granted access to the information required for their role (need-to-know basis).

You have several important rights over your personal data. 77kc respects these rights and is committed to helping you exercise them.

To exercise these rights support@77kc.bestemail us at or Help Center. We respond to all requests within 7 business days.

77kc does not retain your data indefinitely. A separate retention period is defined for each type of information.

• Data for active accounts is retained for as long as the account remains open.
• Financial transaction records may be retained for up to 5 years after account closure, in accordance with legal obligations.
• KYC documents may be retained for up to 3 years after account closure.
• Security-related logs are retained for up to 90 days.
• Once the retention period ends, data is securely deleted in a manner that is not recoverable.

If a parent discovers that their child under the age of 18 has created an account on 77kc, they should immediately support@77kc.best. The account will be closed and all associated data will be deleted.

77kc reserves the right to update this Privacy Policy when necessary. Changes may be made due to legal requirements, new technologies, or updates to our services.

• You will be notified by email and SMS at least 15 days before any significant changes take effect.
• Check the "Last Updated" date at the top of this page to confirm you are reading the latest version.
• Continued use of the platform after any changes take effect will be considered acceptance of the updated policy.
• If you do not agree to the updated policy, you will have the option to close your account.

For any questions, requests, or complaints regarding this Privacy Policy, please get in touch with us.